Year	Number
1990	3923163
1991	3964388
1992	4005395
1993	4050303
1994	4145632
1995	4104147
1996	4121509
1997	4116474
1998	4091849
1999	4060360
2000	4019262
2001	3962151
2002	3895311
2003	3822581
2004	3748079
2005	3677626
2006	3612938
2007	3545414
2008	3480542
2009	3416311
2010	3357324
2011	3303569
2012	3251104
2013	3199072
2014	3158813
2015	3124173
2016	3083603
2017	3049089
2018	3013129
2019	2977330
2020	2938031
2021	2895026
2022	2852102